MCQOPTIONS
Saved Bookmarks
| 1. |
Variable speed motors especially N.E.M.A. B squirrel cage A.C. induction motors might be operated by __. |
| A. | Variable frequency drive |
| B. | Direct current |
| C. | 2 horsepower |
| D. | 756 horsepower |
| Answer» B. Direct current | |